Super Negin is the top quality of Afghanistan saffron and the most expensive one. Super Negin threads are longer in length without yellow part. Threads are carefully separated by hand with no yellow part lift in the threads. Super Negin is famous for its pure redness and excellent aroma. Super Negin is considered Grade A as per ISO-3632 Standards for quality. The coloring strength of Super Negin (crocin) is ranges between 250 to 290.